Li-photoinitiators ke eng, 'me u tseba hakae ka li-photoinitiators?Li-Photoinitiators ke mofuta oa motsoako o ka monyang matla ka bolelele bo itseng sebakeng sa ultraviolet (250-420nm) kapa se bonahalang (400-800nm), sa hlahisa li-radicals tsa mahala, li-cations, joalo-joalo, 'me kahoo li qalisa polymerization ea monomer, crosslinking, le ho phekola. .Leha ho le joalo, li-wavelengths tse nkiloeng ke li-photoinitiators tse fapaneng li fapane.
Sehlopha sa li-photoinitiators se ka aroloa haholo ka mekhahlelo e 'meli: li-radicals tsa mahala le mefuta ea ionic.Li-radicals tsa mahala li ka aroloa ka Mofuta oa I le Mofuta oa II;Mefuta ea Ionic e ka aroloa ka mefuta ea cationic le anionic.Photoinitiator ke qalo ea ho qaptjoa, 'me tšebeliso ea eona ea ho qetela e susumetsoa ke litlhoko tsa ts'ebetso le tsamaiso ea tlhahiso.Ho na le feela photoinitiator e loketseng ka ho fetisisa, ha ho na photoinitiator e ntle ka ho fetisisa.
Li-Photoinitiators li fumaneha kaholimo ho ketane ea indasteri.Lisebelisoa tse tala indastering ea kalafo ea UV ke lisebelisoa tsa mantlha tsa lik'hemik'hale le lik'hemik'hale tse ikhethang, tse nang le li-photoinitiators tse kaholimo ho ketane ea indasteri.Letoto la metsoako ea thiol le ka sebelisoa e le lisebelisoa tse tala bakeng sa li-photoinitiators, 'me li sebelisoa haholo-holo masimong a meriana le tlhahiso ea chefo e bolaeang likokoanyana;Li-Photoinitiators li sebelisoa likarolong tse fapaneng tse kang li-photoresists le lik'hemik'hale tse tšehetsang, lijalo tsa UV, li-inks tsa UV, joalo-joalo, ka lisebelisoa tsa ho qetela tse kenyelletsang lihlahisoa tsa elektroniki, mekhabiso ea lapeng le thepa ea mohaho, meriana le phekolo ea meriana, joalo-joalo.
Ho na le mefuta e fapaneng ea li-photoinitiators tse nang le mefuta e mengata ea ts'ebeliso, joale re lokela ho li khetha joang?E latelang, e re ke u bolelle mokhoa oa ho khetha lihlahisoa tse 'maloa tse atisang ho kopana le tsona.
Pele, ke rata ho tsebisaphotoinitiator 819, e ka sebelisoang bakeng sa liphahlo tsa polasetiki tse phekotsoeng tsa UV tse mebala.Liaparo tsa UV, ka lebaka la ts'ebetso ea tsona e ntle le tlhahiso e ntle, li 'nile tsa sebelisoa haholo likhetla tsa polasetiki tsa lihlahisoa tse sa tšoaneng tsa lisebelisoa tsa elektroniki le tsa ntlo.Leha ho le joalo, ho tiea ho tebileng ha liphahlo tsa UV ka mor'a hore ho be le mebala ha ho ntle, ho fella ka ho khomarela lifilimi tse fokolang le ho hasana ho fokolang le ho hlophisoa ha li-pigments ka li-resin tsa UV, ho ama ka ho teba ponahalo ea liphahlo, ka hona, mokhoa oa ho haha o tloaelehileng ke ho qala ka ho sebelisa solvent e thehiloeng. primer e mebala bakeng sa mebala, ebe o sebelisa varnish ea UV ka mor'a ho baka ho ntlafatsa thepa e fapaneng ea 'mele ea bokaholimo ba filimi ea pente.
Photoinitiator 184ke photoinitiator e sebetsang hantle le e mosehla e hanyetsanang le radical (I) e tiileng ea mofuta o nang le melemo ea nako e telele ea polokelo, bokhoni bo phahameng ba ho qalisoa, le mefuta e mengata ea ho monya UV.E sebelisoa haholo bakeng sa kalafo ea UV ea li-prepolymers tse unsaturated (joalo ka acrylic esters) hammoho le monomers e le 'ngoe kapa tse ngata tse sebetsang tsa vinyl le li-oligomers,' me e loketse ka ho khetheha bakeng sa liphahlo le li-inks tse hlokang tekanyo e phahameng ea mosehla.
Setsebi sa lifoto TPO-Lke mofuta oa photoinitiator ea metsi, e sebelisoang tsamaisong ea tlhahiso e nang le yellowness e tlaase le monko o fokolang.Hangata e sebelisoa ka enke ea khatiso ea skrine ea silika, enke ea khatiso ea Planographic, enke ea khatiso ea flexographic, photoresist, varnish, poleiti ea khatiso le masimo a mang.
Thefotoinitiator TPOe sebelisoa haholo lits'ebetsong tse tšoeu, 'me e ka sebelisoa ho li-coatings tsa UV, li-inks tsa khatiso, likhomaretsi tse phekolang tsa UV, li-fiber tsa Optical, li-photoresists, lipoleiti tsa photopolymerization, li-resin tsa stereolithographic, li-composites, li-filler tsa meno, jj.
Photoinitiator 2959 ke photoinitiator e sebetsang hantle e se nang mosehla, e nang le ts'ebetso e phahameng, monko o tlase, e se nang mosehla, e sa fetoheng, e sa utloeng letho ho polymerization ea oksijene, le ts'ebetso e phahameng ea ho folisa holim'a metsi.Lihlopha tse ikhethang tsa hydroxyl tse qhibilihang habonolo ka har'a litlolo tse thehiloeng metsing.Haholo-holo a loketse bakeng sa metsi-based acrylic esters le unsaturated polyester.Photoinitiator 2959 hape ke sekhomaretsi se amohetsoeng ke sistimi ea setifikeiti ea FDA bakeng sa ho se kopane le lijo ka kotloloho.
Benzophenoneke sesebelisoa sa mahala sa radical photoinitiator se sebelisoang haholo lits'ebetsong tse folisang tsa mahlaseli a kotsi tsa UV joalo ka lirafshoa, li-inks, likhomaretsi, joalo-joalo. Hape ke sebaka sa mahareng sa li-pigments tsa tlhaho, meriana, linoko le chefo e bolaeang likokoanyana.Sehlahisoa sena se boetse ke styrene polymerization inhibitor le monko o monate, o ka fanang ka monko o monate, 'me o sebelisoa haholo ho monko o monate le motsoako oa sesepa.
Lihlahisoa tse tšoanang le li-photoinitiators ke li-absorber tsa ultraviolet.Ka linako tse ling, hangata batho ha ba khone ho khetholla pakeng tsa tse peli.Lisebelisoa tsa UVe ka nkela li-photoinitiators sebaka.Hobane li-absorber tsa UV ke mofuta o sebelisoang ka ho fetesisa oa ho tsitsisa leseli mme o ka tsamaisana le kapa oa nkela li-photoinitiators bakeng sa tšebeliso, 'me katleho ea bona le eona e ntle haholo.Li-photoinitiators li sebelisoa ka ho khetheha bakeng sa ho etsa lifoto, bakeng sa li-inks, li-coatings, hape li ka sebelisoa masimong a indasteri le a elektroniki.Lisebelisoa tsa UV li na le mefuta e mengata ea tšebeliso, haholo-holo e sebelisoang ho litlolo tse nang le litlhoko tsa boleng bo phahameng.Ho sa le joalo, theko ea li-absorber tsa ultraviolet e batla e phahame, ha li-photoinitiators li batla li le tlaase.U ka khetha lihlahisoa tse tsamaellanang ho latela litlhoko tsa hau.
Re baetsi ba litsebi ba qalang.Ntle le lihlahisoa tse boletsoeng ka holimo, re boetse re na le lihlahisoa tse latelang tse tšoanang:
| Nomoro ea CAS. | Lebitso la Sehlahiswa |
| 162881-26-7 | Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide |
| 947-19-3 | 1-Hydroxycyclohexyl phenyl ketone |
| 84434-11-7 | Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate |
| 75980-60-8 | Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide |
| 125051-32-3 | Bis(eta.5-2,4-cyclopentadien-1-yl)-bis [2,6-difluoro-3- (1H-pyrrol-1-yl)phenyl]titanium |
| 75980-60-8 | 2,4,6-Trimethyl benzoyldiphenyl phosphine oxide |
| 162881-26-7 | Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide |
| 84434-11-7 | Ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate |
| 5495-84-1 | 2-Isopropylthioxanthone |
| 82799-44-8 | 2,4-Diethylthioxanthone |
| 71868-10-5 | 2-Methyl-1- [4- (methylthio)phenyl]-2-morpholinopropane-1-one |
| 119313-12-1 | 2-Benzyl-2-dimethylamino-1- (4-morpholinophenyl) butanone |
| 947-19-3 | 1-Hydroxy-Cyclohexyl Phenyl Ketone |
| 7473-98-5 | 2-Hydoy-2-mey-1-phenyppae–one |
| 10287-53-3 | Ethyl4-dimethylaminobenzoate |
| 478556-66-0 | [1-9-e thy-6-2-methybenzoycabazo-3-yethylideneamino] acetate |
| 77016-78-5 | 3-benzo-7-dehyamnocoumrn |
| 3047-32-3 | 3-Ethyl-3- (hydroxymethyl) oxetane |
| 18934-00-4 | 3,3′-[Oxybis(methylene)]bis[3-ethyloxetane] |
| 2177-22-2 | 3-Ethyl-3- (chloromethyl)oxetane |
| 298695-60-0 | 3-Ethyl-3-[(2-ethylhexyloxy)methyl]oxetane |
| 18933-99-8 | 3-Ethyl-3- [(benzyloxy)methyl]oxetane |
| 37674-57-0 | 3-Ethyl-3- (methacryloyloxymethyl) oxetane |
| 41988-14-1 | 3-Ethyl-3- (acryloyloxymethyl) oxetane |
| 358365-48-7 | Oxetane Biphenyl |
| 18724-32-8 | Bis[2-(3,4-epoxycyclohexyl)ethy]tetramethyldisiloxane |
| 2386-87-0 | 3,4-Epoxycyclohexylmethyl 3,4-epoxycyclohexanecarboxylate |
| 1079-66-9 | Chlorodiphenyl phosphine |
| 644-97-3 | Dichlorophenylphosphine |
| 938-18-1 | 2,4,6-Trimethylbenzoyl chloride |
| 32760-80-8 | Cyclopentadienyliron(i) hexa-fluorophosphate |
| 100011-37-8 | Cyclopentadienyliron(ii) hexa-fluoroantimonate |
| 344562-80-7 & 108-32-7 | 4-Isobutylphenyl-4'-methylphenyliodonium Hexafluorophosphate le Propylene carbonate |
| 71786-70-4 & 108-32-7 | Bis(4-dodecylphenyl)iodonium hexaflurorantimonate & Propylene carbonate |
| 121239-75-6 | (4 -Ocyoxypheny phenyodonum hexafluoroantimonate |
| 61358-25-6 | Bis(4-tert-butylphenyl)iodonium hexafluorophosphate |
| 60565-88-0 | Bis(4-methylphenyl)iodonium hexafluorophosphate |
| 74227-35-3 & 68156-13-8 & 108-32-7 | Motsoako oa Sulfonium Hexafluorophosphate le Propylene carbonate |
| 71449-78-0 &89452-37-9 & 108-32-7 | Motsoako oa Sulfonium Hexafluoroantimonate & Propylene carbonate |
| 203573-06-2 | |
| 42573-57-9 | 2-2- 4-Mehoxypheny -2-yvny-46-bs (trichloromethyl)1,3,5-triazine |
| 15206-55-0 | Methyl benzoylformate |
| 119-61-9 | Benzophenone |
| 21245-02-3 | 2-Ethylhexyl 4-dimethylaminobenzoate |
| 2128-93-0 | 4-Benzoylbiphenyl |
| 24650-42-8 | Moetsi oa lifoto BDK |
| 106797-53-9 | 2-Hydroxy-4′-(2-hydroxyethoxy) -2-methylpropiophenone |
| 83846-85-9 | 4-(4-Methylphenylthio)benzophenone |
| 119344-86-4 | PI379 |
| 21245-01-2 | Padimate |
| 134-85-0 | 4-Chlorobenzophenone |
| 6175-45-7 | 2,2-Diethoxyacetophenone |
| 7189-82-4 | 2,2′-Bis(2-chlorophenyl)-4,4′,5,5′-tetraphenyl-1,2′-biimidazole |
| 10373-78-1 | Photoinitiator CQ |
| 29864-15-1 | 2-Methyl-BCIM |
| 58109-40-3 | Photoinitiator 810 |
| 100486-97-3 | TCDM-HABI |
| 813452-37-8 | OMNIPOL TX |
| 515136-48-8 | Omnipol BP |
| 163702-01-0 | KIP 150 |
| 71512-90-8 | Photoinitiator ASA |
| 886463-10-1 | Photoinitiator 910 |
| 1246194-73-9 | Photoinitiator 2702 |
| 606-28-0 | Methyl 2-benzoylbenzoate |
| 134-84-9 | 4-Methylbenzophenone |
| 90-93-7 | 4,4′-Bis(diethylamino) benzophenone |
| 84-51-5 | 2-Ethyl anthraquinone |
| 86-39-5 | 2-Chlorothioxanthone |
| 94-36-0 | Benzoyl peroxide |
| 579-44-2/119-53-9 | Benzoin |
| 134-81-6 | Benzil |
| 67845-93-6 | UV-2908 |
Nako ea poso: Aug-04-2023